Finding the Fourth Proportional to 884,464.30, 1,220,437.42 and 497,226.79
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Solution
The fourth proportional to 884,464.30, 1,220,437.42 and 497,226.79 is: 686,103.65
Step by Step Solution
- Step 1: Write the proportion equation
884,464.30 : 1,220,437.42 = 497,226.79 : x - Step 2: Convert to fraction form
884,464.30/1,220,437.42 = 497,226.79/x - Step 3: Cross multiply
884,464.30x = 1,220,437.42 × 497,226.79 - Step 4: Simplify right side
884,464.30x = 606,834,180,742.48 - Step 5: Solve for x
x = 606,834,180,742.48/884,464.30 - Step 6: Final answer
x = 686,103.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.